Spot report
🇺🇸Walden Pond, Massachusetts
updated 07:00 local · open-meteo
🏊 Open-water swim· kettle pond · base: Concord
Thoreau's pond is New England's best-known open-water training venue, with a DCR-designated swim lane and a half-mile crossing swum daily in season.
Heads up · Swim buoy mandatory, restricted hours during lifeguard season, parking caps
Wind
3 km/h
gusts 3 · from N
Water
flat
inland — lakes and rivers
Road
dry
dry — 13 °C
Daylight
06:57 → 18:04
13 °C air · 0.0 mm · UV 0
What's rideable right now
Wind
Water
Mountain
River
🏄
SUP
RIDEABLEglassy — 3 km/h, prime
Best windows this week
- Thu 11am–6pmRIDEABLE
glassy — 5 km/h, prime · 8 h
- Wed 6am–10amRIDEABLE
glassy — 2 km/h, prime · 5 h
- Tue 7am–5pmRIDEABLE
9 km/h — calm enough · 11 h
This week
Today
18 km/h
11–22 °C
⛵Sailing
Thu
18 km/h
8–14 °C
⛵Sailing
Fri
17 km/h
8–18 °C · 21 mm
🧗Climb
Sat
26 km/h
1–15 °C · 6 mm
⛵Sailing
Sun
16 km/h
1–15 °C
🧗Climb
Mon
19 km/h
6–18 °C
⛵Sailing
Tue
14 km/h
10–19 °C
🧗Climb
bars: daily max wind · best sport each day
Pack list
- No water temp inland → judge by air — 13 °C. Lakes run colder than they look.
- UV 0 — low → no sun worries today
- 13 °C → light layer you can stash
- Daylight 06:57–18:04 → golden hour from 17:04
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